The temperature in my neighborhood fell below freezing around 4am and kept dropping, bottoming out just a few minutes ago at -1.7°C, the coldest it's been since March 18th. So despite valiantly holding onto their leaves later in the year than I can remember, the gingko and maple trees around my house finally surrendered to the inevitable:

All those leaves fell in the last couple of hours. In fact I tried to get a photo of them just pouring off the tree, but that's hard to capture in a still photo.
Cassie found all the new smells irresistable:

The little darling also pulled so often this morning that she almost completely detached her leash from her harness, and so had to walk the rest of the way to school tethered to me through her collar. Neither of us liked that very much, but at least she stopped pulling right away.
Note to self: budget for new harness every 8 months.